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  2. List of electronic color code mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_electronic_color...

    A mnemonic which includes color name (s) generally reduces the chances of confusing black and brown. Some mnemonics that are easy to remember: B eetle B ailey R uns O ver Y our G eneral B efore V ery G ood W itnesses. B each B ums R arely O ffer Y ou G atorade B ut V ery G ood W ater. B etter B e R ight O r Y our G reat B ig V acation G oes W ...

  3. Electronic color code - Wikipedia

    en.wikipedia.org/wiki/Electronic_color_code

    A 2.26 kΩ, 1%-precision resistor with 5 color bands (), from top, 2-2-6-1-1; the last two brown bands indicate the multiplier (×10) and the tolerance (1%).. An electronic color code or electronic colour code (see spelling differences) is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others.

  4. E series of preferred numbers - Wikipedia

    en.wikipedia.org/wiki/E_series_of_preferred_numbers

    The E series is a system of preferred numbers (also called preferred values) derived for use in electronic components. It consists of the E3, E6, E12, E24, E48, E96 and E192 series, [1] where the number after the 'E' designates the quantity of logarithmic value "steps" per decade. Although it is theoretically possible to produce components of ...

  5. Exterior angle theorem - Wikipedia

    en.wikipedia.org/wiki/Exterior_angle_theorem

    Exterior angle theorem. The exterior angle theorem is Proposition 1.16 in Euclid's Elements, which states that the measure of an exterior angle of a triangle is greater than either of the measures of the remote interior angles. This is a fundamental result in absolute geometry because its proof does not depend upon the parallel postulate .

  6. 25-pair color code - Wikipedia

    en.wikipedia.org/wiki/25-pair_color_code

    A common application of the 25-pair color code is the cabling for the Registered Jack interface RJ21, which uses a female 50-pin miniature ribbon connector, as shown in the following table. The geometry of the pins of the receptacle (right hand image) corresponds to the pin numbers of the table.

  7. Lie point symmetry - Wikipedia

    en.wikipedia.org/wiki/Lie_point_symmetry

    The following theorem (see th. 2.8 in ch.2 of ) gives necessary and sufficient conditions so that a local Lie group is a symmetry group of an algebraic system. Theorem . Let G {\displaystyle G} be a connected local Lie group of a continuous dynamical system acting in the n-dimensional space R n {\displaystyle \mathbb {R} ^{n}} .

  8. E Ink's latest color displays have me dreaming of electronic ...

    techcrunch.com/2023/01/12/e-ink-color-tech-e...

    Gallery 3’s CMYK displays can spit out 50,000 colors at 300 DPI — way, way up from Kaleido’s 4,000 colors, the company said. A prototype with E Ink’s Gallery 3 display tech. Image Credits ...

  9. Lie theory - Wikipedia

    en.wikipedia.org/wiki/Lie_theory

    In these cases the Lie algebra parameters have names: angle, hyperbolic angle, and slope. These species of angle are useful for providing polar decompositions which describe sub-algebras of 2 x 2 real matrices. There is a classical 3-parameter Lie group and algebra pair: the quaternions of unit length which can be identified with the 3-sphere.